A Look at JPA 2.0 Criteria API
Java Persistence API (JPA) provides an abstraction above JDBC that makes the life of the developer easy to perform Object Relational Mapping (ORM). With the introduction of Java EE6, the new JPA 2.0 provides several enhancements to the previous JPA specification. The enhancements include the enhancements to the JPQL, controlling the L2 cache, new locking [...]
What’s new in Servlet 3.0?
With the introduction of Java EE6 the new Java Servlet 3.0 API (JSR 315) have made several enhancements to the previous Servlet API: ease of development and deployment, extensibility, asynchronous support, and security enhancements.
For ease of development, the new API have several annotations to declare servlets ,filters, listeners and security constraints. @WebServlet defines servlets,@WebFilter defines [...]
